Origin of saliferous deposits. Salt Lakes of Patagonia and La Plata. Geological Society Journal ii. (Part ii.), 1838, pages 127-128.

Note on a Rock seen on an Iceberg in 16 deg South Latitude. Geographical Society Journal ix. 1839, pages 528-529.

Observations on the Parallel Roads of Glen Roy, and of other parts of Lochaber in Scotland, with an attempt to prove that they are of marine origin. Phil. Trans. 1839, pages 39-82.

On a remarkable Bar of Sandstone off Pernambuco, on the Coast of Brazil. Phil. Mag. xix. 1841, pages 257-260.

On the Distribution of the Erratic Boulders and on the Contemporaneous Unstratified Deposits of South America. [1841.] Geological Society Proc. iii. 1842, pages 425-430; Geological Society Transactions vi. 1842, pages 415-432.

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Notes on the Effects produced by the Ancient Glaciers of

Caernarvonshire, and on the Boulders transported by Floating Ice. London Philosophical Magazine volume xxi. page 180. 1842.

Remarks on the preceding paper, in a Letter from Charles Darwin, Esq., to Mr. Maclaren. Edinburgh New Philosophical Journal xxxiv. 1843, pages 47- 50. [The "preceding" paper is: "On Coral Islands and Reefs as described by Mr. Darwin. By Charles Maclaren, Esq., F.R.S.E.">[

Observations on the Structure and Propagation of the genus Sagitta. Annals and Magazine of Natural History xiii. 1844, pages 1-6.